/*
** $Id: lvm.h,v 2.5.1.1 2007/12/27 13:02:25 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/

#ifndef lvm_h
#define lvm_h


#include "ldo.h"
#include "lobject.h"
#include "ltm.h"


#define tostring(L,o) ((ttype(o) == LUA_TSTRING) || (luaV_tostring(L, o)))

#define tonumber(o,n)   (ttype(o) == LUA_TNUMBER || \
                         (((o) = luaV_tonumber(o,n)) != NULL))

#define equalobj(L,o1,o2) \
    (ttype(o1) == ttype(o2) && luaV_equalval(L, o1, o2))


LUAI_FUNC int luaV_lessthan(lua_State *L, const TValue *l, const TValue *r);
LUAI_FUNC int luaV_equalval(lua_State *L, const TValue *t1, const TValue *t2);
LUAI_FUNC const TValue *luaV_tonumber(const TValue *obj, TValue *n);
LUAI_FUNC int luaV_tostring(lua_State *L, StkId obj);
LUAI_FUNC void luaV_gettable(lua_State *L, const TValue *t, TValue *key,
                             StkId val);
LUAI_FUNC void luaV_settable(lua_State *L, const TValue *t, TValue *key,
                             StkId val);
LUAI_FUNC void luaV_execute(lua_State *L, int nexeccalls);
LUAI_FUNC void luaV_concat(lua_State *L, int total, int last);

#endif
